datadings.sets.ILSVRC2012_write module
- usage: ILSVRC2012_write.py [-h] [-o PATH] [-y] [-s] [-t 0-2]
[–compress [quality 0-100]] [–subsampling {444,422,420,440,411,Gray}] INDIR
Create ILSVRC 2012 challenge data set files.
This tool will look for the following files in the input directory:
ILSVRC2012_img_train.tar
ILSVRC2012_img_val.tar
Note
Registration is required to download this dataset. Please visit the website to download it.
Important
For performance reasons samples are read in same order as they are stored in the source tar files. It is recommended to use the datadings-shuffle command to create a shuffled copy.
Important
Samples have the following keys:
"key""image""label"
Positional arguments
INDIR Directory that contains dataset source files.
- options:
- -h, --help
show this help message and exit
- -o PATH, --outdir PATH
Output directory. Defaults to indir.
- -y, --no-confirm
Don’t require user interaction.
- -s, --skip-verification
Skip verification of source files.
- -t 0-2, –threads 0-2
Number of threads for conversion. 0 uses all available CPUs (default 1).
- –compress [quality 0-100]
Use JPEG compression with optional quality. Default quality is 85. Big images are resized to roughly fit 500x375.
- –subsampling {444,422,420,440,411,Gray}
Color subsampling factor used with compress option. 444 is forced for small images to preserve details.